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Audio Noise Reducer

Remove background noise, electrical hums, and hiss from audio files or live microphone input. Runs entirely in your browser — your audio never leaves your device.

Source

Quick Test

Click a built-in noisy recording to test suppressing AC hum or background hiss.
Live denoise with real-time DSP

DSP Console

Custom

AI speech enhancement core

UNLOADED

AI Noise Suppression

Suppression Level

80 %

DeepFilterNet3 isolates human speech using deep neural networks. Higher percentages aggressively subtract complex background noise (AC rumble, wind, traffic, fan hiss) while maintaining crystal clear voice clarity.

Output Gain Controller

Master Boost

+2 dB

Speech enhancement models may cause minor attenuation. Use output gain to cleanly recover volume and boost the final speech signal. Avoid setting excessively high levels to prevent digital clipping.

Next-Gen AI Noise Reduction & Speech Isolation

This tool combines traditional digital signal processing (DSP) with a state-of-the-art **DeepFilterNet3 deep learning model** running locally in your browser. Whether you are **removing background noise from audio** recordings or **removing background noise from video** clips (such as MP4 or MOV tracks), our client-side solution delivers studio-quality voice isolation without ever uploading your private files to a remote server.

🤖 AI-Powered Background Noise Reduction

Traditional filters often sound muffled or leave watery artifacts behind. Our deep neural network is trained on vast voice databases to dynamically reconstruct and isolate human speech, offering advanced **background noise reduction** that effectively filters out traffic rumble, fan hum, AC hiss, and complex ambient chatter while preserving natural voice dynamics.

🎙️ Live Microphone Noise Cancelling

Activate your web browser mic for real-time **microphone noise cancelling**. By leveraging high-performance WebAssembly (WASM) and SIMD hardware acceleration, our **noise reduction microphone** engine processes live input on the fly. It's the ultimate solution for online calls, browser-based podcasting, or real-time speech enhancement.

Understanding the Technology: AI vs. Classic DSP

  • DeepFilterNet3 AI Core — Utilizes deep learning architectures to dynamically track, isolate, and extract speech harmonics from surrounding chaos, ensuring clean removing background noise.
  • High-pass & Notch Filters — Classic linear phase filters that eliminate low-frequency rumble (below ~80 Hz) and electrical mains hum (50/60 Hz) prior to neural processing.
  • Active Noise Gate — Mutes low-level background hiss and microphone pre-amp noise in periods of silence.
  • Output Gain Controller — Smooth linear volume restoration to offset minor natural attenuation from aggressive noise reduction.